Structure and reactivity of new phosphineligands containing the hemi-labile sulfone moiety

Dalton Transactions Pub Date: 2006-02-09 DOI: 10.1039/B513390D

Abstract

New heterofunctional phosphine ligands have been synthesised, incorporating the substitutionally labile sulfone and sulfonamide moieties as chelating groups, which display activity in the palladium-catalysed Suzuki and amination cross-coupling reactions. Single-crystal X-ray diffraction studies of the complexes formed with [Pd(μ-Cl)(dmba)] (dmba-H = N,N-dimethylbenzylamine) highlight the coordinating nature of these ligands; showing the formation of a bis chelate complex through a six-membered Pd–P–C–C–S–O ring with the sulfonamide class of ligands.

Graphical abstract: Structure and reactivity of new phosphine ligands containing the hemi-labile sulfone moiety
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